Psychometric Properties of The DY-BOCS in a Turkish Sample of Children and Adolescents

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2015

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ScienceDirect

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Background:Dimensional Yale-Brown Obsessive-Compulsive Scale (DY-BOCS) is a promising scale for assessing frequency and severityof symptom dimensions. The main objective of the study was to assess the psychometric properties of the DY-BOCS in a large sample ofchildren and adolescents from Turkey.Methods:We studied 143 children and adolescents, 7–18 years, with well characterized DSM-IV-R OCD, ascertained from sevencollaborating university or state hospital sites. We compared the DY-BOCS scores with the Children’s Yale-Brown Obsessive-CompulsiveScale (CY-BOCS), the Children’s Depression Inventory (CDI), the Yale Global Tic Severity Scale (YGTSS) and the Child BehaviorChecklist 6–18 years (CBCL 6-18).Results:The internal consistency of the DY-BOCS symptom dimensions and inter-rater agreement of component scores were excellent. Theagreement between global DY-BOCS score and the total CY-BOCS score was highly significant (Pearson’s r = 0.55, pb0.0001). Severityscores for individual symptom dimensions were independent of one another, only modestly correlating with the global ratings, and were alsodifferentially related to ratings of depression, anxiety and tic severity.Conclusion:The DY-BOCS is a reliable and valid instrument for assessing multiple aspects of OCD symptom severity in children andadolescents from Turkey

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